EP0366991A3 - Méthode et dispositif pour garder faible la puissance absorbée par un circuit d'interface téléphonique, dans l'état 'boucle ouverte' de la ligne téléphonique - Google Patents

Méthode et dispositif pour garder faible la puissance absorbée par un circuit d'interface téléphonique, dans l'état 'boucle ouverte' de la ligne téléphonique Download PDF

Info

Publication number: EP0366991A3
Authority: EP; European Patent Office
Prior art keywords: line; interface circuit; state; hook; power absorbed
Prior art date: 1988-10-31
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP19890118967

Other languages

German (de)

English (en)

Other versions

EP0366991B1 (fr

EP0366991A2 (fr

Inventor

Angelo Pariani

Walter Rossi

Vanni Saviotti

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

STMicroelectronics SRL

Original Assignee

SGS Thomson Microelectronics SRL

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-10-31

Filing date

1989-10-12

Publication date

1991-12-04

1989-10-12 Application filed by SGS Thomson Microelectronics SRL filed Critical SGS Thomson Microelectronics SRL

1990-05-09 Publication of EP0366991A2 publication Critical patent/EP0366991A2/fr

1991-12-04 Publication of EP0366991A3 publication Critical patent/EP0366991A3/fr

1995-11-15 Application granted granted Critical

1995-11-15 Publication of EP0366991B1 publication Critical patent/EP0366991B1/fr

2009-10-12 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Signal Processing (AREA)
Interface Circuits In Exchanges (AREA)

EP89118967A 1988-10-31 1989-10-12 Méthode et dispositif pour garder faible la puissance absorbée par un circuit d'interface téléphonique, dans l'état 'boucle ouverte' de la ligne téléphonique Expired - Lifetime EP0366991B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT8822474A IT1227970B (it)	1988-10-31	1988-10-31	Metodo per la riduzione della potenza assorbita da un circuito integrato di interfaccia, predisposto a riposo, incorporato in una centralina telefonica e collegato ad una linea telefonica d'utente, e dispositivo circuitale operante secondo tale metodo
IT2247488		1988-10-31

Publications (3)

Publication Number	Publication Date
EP0366991A2 EP0366991A2 (fr)	1990-05-09
EP0366991A3 true EP0366991A3 (fr)	1991-12-04
EP0366991B1 EP0366991B1 (fr)	1995-11-15

Family

ID=11196765

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP89118967A Expired - Lifetime EP0366991B1 (fr)	1988-10-31	1989-10-12	Méthode et dispositif pour garder faible la puissance absorbée par un circuit d'interface téléphonique, dans l'état 'boucle ouverte' de la ligne téléphonique

Country Status (4)

Country	Link
US (1)	US5046089A (fr)
EP (1)	EP0366991B1 (fr)
DE (1)	DE68924829T2 (fr)
IT (1)	IT1227970B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1252324B (it) *	1991-07-18	1995-06-08	Sgs Thomson Microelectronics	Circuito integrato regolatore di tensione ad elevata stabilita' e basso consumo di corrente.
IT1252125B (it) *	1991-10-23	1995-06-05	Sgs Thomson Microelectronics	Metodo e dispositivo circuitale per misurare in condizioni di esercizio parametri operativi di un circuito di interfaccia e di una linea telefonica d'utente ad esse collegata
US5557221A (en)	1992-06-15	1996-09-17	Fujitsu Limited	Semiconductor integrated circuit with input/output interface adapted for small-amplitude operation
US5428682A (en) *	1993-03-12	1995-06-27	Advanced Micro Devices, Inc.	Subscriber line interface circuit with reduced on-chip power dissipation
DE4327922A1 (de) *	1993-08-19	1995-02-23	Philips Patentverwaltung	Kennzeichenumsetzer mit Schutzschaltung
JP3360184B2 (ja) *	1993-09-20	2002-12-24	富士通株式会社	光加入者伝送システムに於ける給電制御方式
US5959471A (en) *	1997-09-25	1999-09-28	Siemens Aktiengesellschaft	Method and apparatus for reducing the bias current in a reference voltage circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2268422A1 (fr) *	1974-04-17	1975-11-14	Vesque Daniel
US4164713A (en) *	1977-01-28	1979-08-14	Bell Telephone Laboratories, Incorporated	Dual mode telephone subscriber loop current detector
EP0217130A2 (fr) *	1985-09-30	1987-04-08	Siemens Aktiengesellschaft	Dispositif pour un circuit d'interface électronique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4419542A (en) *	1982-05-17	1983-12-06	Bell Telephone Laboratories, Incorporated	Battery feed circuit
AR241360A1 (es) *	1986-06-30	1992-05-29	Siemens Ag	Disposicion de circuito para desconectar los hilos de una linea de conexion de abonado de una red telefonica digital tiempo-multiplex con respecto a un circuito de alimentacion.
IT1216909B (it) *	1987-03-24	1990-03-14	Sgs Microelettronica Spa	Regolatore di tensione cosiddetto switching per un circuito di interfaccia di una linea telefonica di utente.

1988
- 1988-10-31 IT IT8822474A patent/IT1227970B/it active
1989
- 1989-10-12 DE DE68924829T patent/DE68924829T2/de not_active Expired - Fee Related
- 1989-10-12 EP EP89118967A patent/EP0366991B1/fr not_active Expired - Lifetime
- 1989-10-18 US US07/422,892 patent/US5046089A/en not_active Ceased

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2268422A1 (fr) *	1974-04-17	1975-11-14	Vesque Daniel
US4164713A (en) *	1977-01-28	1979-08-14	Bell Telephone Laboratories, Incorporated	Dual mode telephone subscriber loop current detector
EP0217130A2 (fr) *	1985-09-30	1987-04-08	Siemens Aktiengesellschaft	Dispositif pour un circuit d'interface électronique

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 11, no. 20 (E-472)[2467], 20th January 1987; & JP-A-61 191 154 (FUJITSU) 25-08-1986 *
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 147 (E-323)[1870], 21st June 1985; & JP-A-60 028 364 (FUJITSU) 13-02-1985 *

Also Published As

Publication number	Publication date
DE68924829T2 (de)	1996-05-02
DE68924829D1 (de)	1995-12-21
US5046089A (en)	1991-09-03
EP0366991B1 (fr)	1995-11-15
IT1227970B (it)	1991-05-20
EP0366991A2 (fr)	1990-05-09
IT8822474A0 (it)	1988-10-31

Publication	Publication Date	Title
US4996706A (en)	1991-02-26	Method of controlling the electric power supplied to a modem
CA2098010A1 (fr)	1993-04-29	Methode pour comparer les depassements de capacite dans un systeme de communication a etalement du spectre
EP0358166A3 (fr)	1991-10-30	Montage et méthode pour économiser la batterie
CA2274660A1 (fr)	1998-06-18	Transmission montante par un appareil de communication mobile, d'un message contenant des informations relatives au niveau de sortie de pile
DE69529134D1 (de)	2003-01-23	Batteriesparanordnung eines Systemes mit einem an ein Peripheriegerät angeschlossenen Funktelefon
CA2025140A1 (fr)	1991-03-15	Terminal de transmission pouvant controler les transferts d'alimentation electrique
GB1529452A (en)	1978-10-18	Detection of direct currents or voltages
EP0346571A3 (fr)	1991-05-29	Relais à l'état solide
EP0366991A3 (fr)	1991-12-04	Méthode et dispositif pour garder faible la puissance absorbée par un circuit d'interface téléphonique, dans l'état 'boucle ouverte' de la ligne téléphonique
TW265500B (fr)	1995-12-11
EP0392367A3 (fr)	1991-09-11	Dispositif pour l'appréciation de l'état de charge d'un servomoteur
KR970072871A (ko)	1997-11-07	전화단말기의 통화로 자동복구장치 및 그 방법
CA2197968A1 (fr)	1997-09-26	Appareil de telecopie et methode de communication associee
CA2000683A1 (fr)	1990-06-01	Methode et dispositif de conservation d'energie
USRE35582E (en)	1997-08-12	Subscriber line interface circuit with power-down mode
CA2016797A1 (fr)	1991-01-25	Dispositif de detection des coupures dans les reseaux de communication
JP3013420B2 (ja)	2000-02-28	回線端末装置
JPS5793791A (en)	1982-06-10	Set system for external channel from stop of power application to re-start
WO2001013621A3 (fr)	2002-04-04	Procede de gestion de l'energie transmissible depuis un reseau de telecommunication a un dispositif de terminaison reseau par l'intermediaire d'une ligne
CA2067535A1 (fr)	1992-12-26	Circuit d'interface a limitation de courant pour abonne
HK66495A (en)	1995-05-12	Selective caller/receiver
EP1185059A3 (fr)	2004-04-07	Appareil téléphonique
CA2280214A1 (fr)	2000-05-06	Dispositif reduisant le courant des accumulateurs de centres de commutation pendant les connexions par modem
WO2001045433A3 (fr)	2002-01-17	Procede, dispositifs de commutation et programmes pour l'etablissement de liaisons de telecommunication
JPS5496906A (en)	1979-07-31	Telephone set for both pb and dp signals

Legal Events

Date	Code	Title	Description
1990-03-24	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1990-05-09	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB NL SE
1991-10-17	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
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1992-07-22	17P	Request for examination filed	Effective date: 19920525
1994-06-08	17Q	First examination report despatched	Effective date: 19940426
1995-09-29	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1995-11-15	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB NL SE
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